{"id":4814,"date":"2023-01-05T10:30:16","date_gmt":"2023-01-05T02:30:16","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4814"},"modified":"2023-01-05T10:30:16","modified_gmt":"2023-01-05T02:30:16","slug":"%e4%ba%86%e8%a7%a3typescript%e4%b8%ad%e9%ab%98%e7%b4%9a%e5%87%bd%e6%95%b8%e7%9a%84%e5%8a%9f%e8%83%bd%e8%88%87%e6%87%89%e7%94%a8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3typescript%e4%b8%ad%e9%ab%98%e7%b4%9a%e5%87%bd%e6%95%b8%e7%9a%84%e5%8a%9f%e8%83%bd%e8%88%87%e6%87%89%e7%94%a8\/","title":{"rendered":"\u4e86\u89e3TypeScript\u4e2d\u9ad8\u7d1a\u51fd\u6578\u7684\u529f\u80fd\u8207\u61c9\u7528"},"content":{"rendered":"

<\/p>\n

TypeScript \u9ad8\u9636\u51fd\u6570(higher-order function)<\/h1>\n

TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u64c1\u6709\u66f4\u5f37\u5927\u7684\u529f\u80fd\uff0c\u5176\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u529f\u80fd\u5c31\u662f\u652f\u63f4\u9ad8\u9636\u51fd\u6578(higher-order function)\u3002\u9ad8\u9636\u51fd\u6578\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u63a5\u53d7\u51fd\u6578\u4f5c\u70ba\u53c3\u6578\uff0c\u6216\u8005\u8fd4\u56de\u51fd\u6578\u4f5c\u70ba\u7d50\u679c\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u9ad8\u9636\u51fd\u6578\uff1f<\/h2>\n

\u9ad8\u9636\u51fd\u6578\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u63a5\u53d7\u51fd\u6578\u4f5c\u70ba\u53c3\u6578\uff0c\u6216\u8005\u8fd4\u56de\u51fd\u6578\u4f5c\u70ba\u7d50\u679c\u3002\u5b83\u5011\u53ef\u4ee5\u7528\u65bc\u62bd\u8c61\u5316\u7a0b\u5f0f\u78bc\uff0c\u4e26\u63d0\u9ad8\u7a0b\u5f0f\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n

<\/p>\n

\u9ad8\u9636\u51fd\u6578\u7684\u512a\u9ede<\/h2>\n

\u9ad8\u9636\u51fd\u6578\u7684\u512a\u9ede\u5728\u65bc\u5b83\u53ef\u4ee5\u62bd\u8c61\u5316\u7a0b\u5f0f\u78bc\uff0c\u4e26\u63d0\u9ad8\u7a0b\u5f0f\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002\u5b83\u53ef\u4ee5\u8b93\u7a0b\u5f0f\u78bc\u66f4\u52a0\u7c21\u6f54\uff0c\u4e26\u6e1b\u5c11\u91cd\u8907\u7684\u7a0b\u5f0f\u78bc\u3002<\/p>\n

\u4f8b\u5982\uff0c\u5047\u8a2d\u4f60\u60f3\u8981\u5c0d\u4e00\u500b\u9663\u5217\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u4e00\u500b\u51fd\u6578\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u9ad8\u9636\u51fd\u6578\u4f86\u5be6\u73fe\uff1a<\/p>\n

let arr = [1, 2, 3, 4, 5];\n\narr.forEach(function(element) {\n    console.log(element);\n});\n<\/code><\/pre>\n
\u9019\u6a23\u7684\u7a0b\u5f0f\u78bc\u6bd4\u8d77\u6c92\u6709\u4f7f\u7528\u9ad8\u9636\u51fd\u6578\u7684\u7a0b\u5f0f\u78bc\u4f86\u5f97\u66f4\u52a0\u7c21\u6f54\uff0c\u4e26\u4e14\u66f4\u5bb9\u6613\u95b1\u8b80\u548c\u7dad\u8b77\u3002<\/p>\n
\u9ad8\u9636\u51fd\u6578\u7684\u7f3a\u9ede<\/h2>\n
\u96d6\u7136\u9ad8\u9636\u51fd\u6578\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5f0f\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\uff0c\u4f46\u5b83\u4e5f\u6709\u4e00\u4e9b\u7f3a\u9ede\u3002<\/p>\n
\u9996\u5148\uff0c\u9ad8\u9636\u51fd\u6578\u53ef\u80fd\u6703\u4f7f\u7a0b\u5f0f\u78bc\u66f4\u96e3\u4ee5\u7406\u89e3\uff0c\u56e0\u70ba\u5b83\u5011\u53ef\u80fd\u6703\u4f7f\u7a0b\u5f0f\u78bc\u66f4\u52a0\u8907\u96dc\u3002<\/p>\n
\u5176\u6b21\uff0c\u9ad8\u9636\u51fd\u6578\u53ef\u80fd\u6703\u4f7f\u7a0b\u5f0f\u78bc\u7684\u6548\u80fd\u964d\u4f4e\uff0c\u56e0\u70ba\u5b83\u5011\u53ef\u80fd\u6703\u589e\u52a0\u7a0b\u5f0f\u78bc\u7684\u57f7\u884c\u6642\u9593\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
TypeScript \u652f\u63f4\u9ad8\u9636\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u62bd\u8c61\u5316\u7a0b\u5f0f\u78bc\uff0c\u4e26\u63d0\u9ad8\u7a0b\u5f0f\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002\u4f46\u662f\uff0c\u5b83\u4e5f\u6709\u4e00\u4e9b\u7f3a\u9ede\uff0c\u53ef\u80fd\u6703\u4f7f\u7a0b\u5f0f\u78bc\u66f4\u96e3\u4ee5\u7406\u89e3\uff0c\u4e26\u4e14\u53ef\u80fd\u6703\u964d\u4f4e\u7a0b\u5f0f\u78bc\u7684\u6548\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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